Version 55.15 is not backward compatible with Tegra X1 or TX2. Attempting to use it on those platforms will result in NVN_ERROR_INCOMPATIBLE_DEVICE at initialization.
: Detailed technical documentation for NVN is typically not public, as it is restricted to licensed Nintendo developers under non-disclosure agreements. Context of Version 55.15 Nvn Api Version 55.15
Unlike general-purpose APIs like Vulkan or OpenGL (which the Switch also supports), NVN is designed for maximum efficiency by "talking" directly to the Tegra X1 hardware. Version 55
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